大约有 18,500 项符合查询结果(耗时:0.0281秒) [XML]
Elasticsearch query to return all records
...n link above suggests.
EDIT: scan Deprecated in 2.1.0.
scan does not provide any benefits over a regular scroll request sorted by _doc. link to elastic docs (spotted by @christophe-roussy)
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SQLite select where empty?
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length(some_column) should be avoided, since this may calculate the length on the fly - AFAIK current SQLite does for columns with text affinity. Other than that, you are at the mercy of the optimizer - though I would expect them to be identical. You could v...
Android - Emulator in landscape mode, screen does not rotate
...11 ) the emulator rotates the screen to landscape orientation but the Android OS and none of the apps rotate. So everything is sitting sideways. Is there something in the AVD configuration that needs to be set in order for the device to rotate properly?
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Is it possible to Turn page programmatically in UIPageViewController?
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Yes it is possible with the method:
- (void)setViewControllers:(NSArray *)viewControllers
direction:(UIPageViewControllerNavigationDirection)direction
animated:(BOOL)animated
completion:(void (^)(BOOL finished))c...
How do I retrieve an HTML element's actual width and height?
...er in the browser's display (viewport). To do so, I need to calculate the width and height of the <div> element.
1...
Google Maps zoom control is messed up
... used to zoom the map is messed up (it wasn't always like this). I have no idea what the cause is.
9 Answers
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Entity Framework 6 Code first Default value
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You can do it by manually edit code first migration:
public override void Up()
{
AddColumn("dbo.Events", "Active", c => c.Boolean(nullable: false, defaultValue: true));
}
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How to set session timeout in web.config
...e.
The timeout attribute specifies the number of minutes a session can be idle before it is abandoned. The default value for this attribute is 20.
By assigning a value of 1 to this attribute, you've set the session to be abandoned in 1 minute after its idle.
To test this, create a simple aspx pag...
LINQ: When to use SingleOrDefault vs. FirstOrDefault() with filtering criteria
Consider the IEnumerable extension methods SingleOrDefault() and FirstOrDefault()
15 Answers
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CSS last-child selector: select last-element of specific class, not last child inside of parent?
...of a specific type of element. For that, you want :last-of-type
http://jsfiddle.net/C23g6/3/
As per @BoltClock's comment, this is only checking for the last article element, not the last element with the class of .comment.
body {
background: black;
}
.comment {
width: 470px;
bord...